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Problem or failure
The air conditioner is not cooling/heating
well.
It takes a while for the indoor unit to
start.
Unusual odours can be smelled when
the unit starts operation.
During cooling, noises similar to running
water can be heard.
During cooling, white steam comes out
of the indoor unit.
During heating, white steam comes out
of the indoor unit.
Noise is heard during operation.
8
Decommissioning and disposal
8.1
Decommissioning procedure
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Probable causes
Remote control or wired controller is
not correctly configured.
Indoor unit does not work correctly.
Another appliance is running.
Doors or windows are open.
The unit has just been turned off.
Odours or bacteria taken from the
room may accumulate inside the unit
and produce unpleasant odours.
Filters and system are not clean.
Flow of refrigerant inside the indoor
unit can make some noise.
High temperature difference between
the indoor unit and the air in the room.
Moisture is created during the defrost
ing process.
Flow of refrigerant inside the indoor
unit can make some noise.
To decommission the air conditioner temporarily or permanently:
1. Switch off the air conditioner.
2. Shut off the electrical power supply to the air conditioner (outdoor and
indoor units).
3. Contact the installer.
8 Decommissioning and disposal
Correction
Check whether the set temperature is
configured correctly or not.
Ensure the air inlet is not blocked.
Check the air filter for dirt.
Ensure the internal fan speed is not
set too low.
Ensure there are no other appliances
heating the room while the air condi
tioner is cooling.
Close any door or window.
Wait 3 minutes and start again the unit.
Clean the filters.
If odours persist, call a professional to
clean the unit.
This sound is normal.
This is normal. Cold dry air coming from
the air conditioner can condensate when
it comes in contact with warm moist air
present in the room.
This is normal.
This sound is normal
A slight whistling may be caused by
the refrigerant flowing which is normal.
A crunching noise may be heard due
to the deformation of the plastic
caused by varying temperatures.
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